RALPH, Ala. (WSFA/Gray News) - A teenager has started treatment for cancer after posting a video to his mother’s Facebook page asking for access. Will Roberts, a 15-year-old who has stage 4 bone cancer, took a chance last month and posted a video to his mother’s Facebook page without his parents knowing. Will’s cancer, called osteosarcoma, has spread throughout his body, and his family said chemotherapy is no longer working. In Will’s video, he asked for Deltarex-G. “Can y’all please just share this?